Mold plate adapter



FIG. 1 is a bottom, front, left side perspective view of a mold plate adaptor showing my new design;

FIG. 2 is a front elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a top plan view thereof. 

The ornamental design for a mold plate adapter, as shown and described. 